Springboot读取templates文件html代码实例
SpringBoot里面没有我们之前常规web开发的WebContent(WebApp),它只有src目录
在src/main/resources下面有两个文件夹,static和templatesspringboot默认static中放静态页面,而templates中放动态页面
在不使用第三方jar包的情况下,Springboot不能直接访问templates下的静态页面,需要加其他jar包依赖。
代码如下
importorg.slf4j.Logger; importorg.slf4j.LoggerFactory; importorg.springframework.stereotype.Controller; importorg.springframework.util.ClassUtils; importorg.springframework.web.bind.annotation.RequestMapping; importjavax.servlet.ServletException; importjavax.servlet.http.HttpServletRequest; importjavax.servlet.http.HttpServletResponse; importjava.io.*; @Controller publicclassPageController{ privatestaticClassLoaderclassLoader=ClassUtils.getDefaultClassLoader(); privatestaticfinalLoggerlog=LoggerFactory.getLogger(PageController.class); @RequestMapping("/") publicvoidroot(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException{ request.getRequestDispatcher("/index.html").forward(request,response); } @RequestMapping("**.html") publicvoidpage(HttpServletRequestrequest,HttpServletResponseresponse)throwsIOException{ InputStreamReaderstreamReader=null; try{ StringservletPath=request.getServletPath(); log.info(request.getMethod()+""+servletPath); StringfilePath="templates"+servletPath; InputStreaminputStream=classLoader.getResourceAsStream(filePath); if(inputStream==null){ response.sendError(404); return; } streamReader=newInputStreamReader(inputStream); PrintWriterprintWriter=response.getWriter(); response.setContentType("text/html"); intreadChar; while((readChar=streamReader.read())!=-1){ printWriter.write(readChar); } printWriter.flush(); }finally{ if(streamReader!=null)streamReader.close(); } } }
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